biamou.bin.zip

General
Target

biamou.bin.zip

Size

3MB

Sample

220119-n4xvbshec2

Score
9 /10
MD5

a796ad431d2f4e81cadcdd19b446ecbf

SHA1

5da32bb3b61935f6e2e448d37d13b88c0e10ca7c

SHA256

6c5e877a3894dd9a70818377926cc7bc95f68bd589cd8cdaf8ebefc9e2702635

SHA512

19ebe521f7c8c415342a18b25c4c02cc454da3e995fd595adc2bfbd374758d62d596adbec57cb3bd8d95f50fcc91e1b6bde54a99d55970a542143dabc8526200

Malware Config
Targets
Target

biamou.bin

MD5

a9334eeb8615854db602db4447beeab2

Filesize

3MB

Score
9/10
SHA1

066ad5133b7435b75fe10d7af693c9b6811dc7a9

SHA256

d819e0689e1782f676e1644d503f31dae35589ea29b2b7169f69b81abea21d75

SHA512

a2f27c7716e2d7c2091a4f4a8b7fab7a9bd32d1640411cb9799756427b10468bc917963dab13c626d63fc6e0a081308779160f44a2987e68c250b41998d43b5c

Tags

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    Tags

    TTPs

    Query RegistryVirtualization/Sandbox Evasion
  • Executes dropped EXE

  • Checks BIOS information in registry

    Description

    BIOS information is often read in order to detect sandboxing environments.

    TTPs

    Query RegistrySystem Information Discovery
  • Drops startup file

  • Loads dropped DLL

  • Themida packer

    Description

    Detects Themida, an advanced Windows software protection system.

    Tags

  • Checks whether UAC is enabled

    Tags

    TTPs

    System Information Discovery
  • Suspicious use of NtSetInformationThreadHideFromDebugger

Related Tasks

MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Execution
          Exfiltration
            Impact
              Initial Access
                Lateral Movement
                  Persistence
                    Privilege Escalation
                      Tasks

                      static1

                      7/10

                      behavioral1

                      9/10

                      behavioral2

                      9/10